51332554 has 64 divisors (see below), whose sum is σ = 102767616. Its totient is φ = 18653184.

The previous prime is 51332551. The next prime is 51332591. The reversal of 51332554 is 45523315.

51332554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51332554² = 5270062200325832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51332551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145242 + ... + 145594.

It is an arithmetic number, because the mean of its divisors is an integer number (1605744).

Almost surely, 2^51332554 is an apocalyptic number.

51332554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

51332554 is a wasteful number, since it uses less digits than its factorization.

51332554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its digits is 9000, while the sum is 28.

The square root of 51332554 is about 7164.6740330597. The cubic root of 51332554 is about 371.6472790689.

Adding to 51332554 its reverse (45523315), we get a palindrome (96855869).

The spelling of 51332554 in words is "fifty-one million, three hundred thirty-two thousand, five hundred fifty-four".